While Zack was impressed by the transformation, he didn't really want to stay in this form.
"I am a 16 year old teenager," Zack said in his now young voice.
In a matter of seconds, Zack turns back into a 16-year-old teenager. What surprised him is that he looked exactly like he did before, even his clothes had returned to normal.
"That was weird. Now, what if I use it on someone else?" Zack asked himself.
He immediately proceeded to find someone he could test the potion with, and soon managed to find the right person. It was a 30-year-old woman who, from her clothing, seemed to be a lifeguard.
So Zack opened the potion container again. He stuck it to his lips and drank some more of the potion.
After a few seconds he said: "The lifeguard over there is actually
.